FF_SP_TYPE       3997 libavcodec/h264.c     if(h->slice_type == FF_SP_TYPE){
FF_SP_TYPE       4000 libavcodec/h264.c     if(h->slice_type==FF_SP_TYPE || h->slice_type == FF_SI_TYPE){
FF_SP_TYPE         59 libavcodec/h264data.h {FF_P_TYPE, FF_B_TYPE, FF_I_TYPE, FF_SP_TYPE, FF_SI_TYPE};
FF_SP_TYPE       1112 libavcodec/mpegvideo.c             case FF_SP_TYPE: av_log(s->avctx,AV_LOG_DEBUG,"SP\n"); break;
FF_SP_TYPE        885 libavcodec/utils.c     case FF_SP_TYPE:return 'p';